Who is Brennan?

J.F. Brennan Company, Inc. (Brennan) is a fourth-generation, family-owned marine construction firm specializing in environmental remediation, dam construction, commercial diving, and submarine cable services. Working closely with public and private owners of water-based infrastructure since 1919, Brennan operates throughout coastal and inland waterways nationwide, maintaining a large fleet of marine equipment backed by more than 500 maritime professionals. 

Brennan's Culture

Safety, quality, and environmental management are long-standing principles within our company, and being certified to all three ISO categories proves that Brennan objectively maintains the highest international standards.

Our company is built on a solid foundation of principles that help us succeed in our work every day, whether out in the field or in the office. When you work with our team, you can expect a culture based on safety and our people, cornerstones of The Brennan Way. We strongly believe that to improve as a company continuously, we must continuously improve as individuals. As such, we promote further education, training, and certifications to become better on both personal and corporate levels. 

Who is Ahtna?

Ahtna Marine & Construction Company, LLC (AMCC) is an SBA 8(a) certified small business and wholly owned subsidiary of Ahtna, Incorporated. As a marine contractor, AMCC is highly experienced in hydraulic and mechanical dredging, land clearing, grading, and site development and specializes in beach renourishment, shoreline protection, wetland enhancement, and marina and port development.

Ahtna, Incorporated (pronounced “Aht-na”) is one of 13 Alaska Native Regional Corporations established by Congress under terms of the Alaska Native Claims Settlement Act of 1971. Owned by more than 2,000 shareholders, the majority of whom are of Ahtna Athabascan descent, many Ahtna shareholders still reside in the Ahtna region, the traditional homeland of the Ahtna people.

Ahtna - Brennan JV Contacts